<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Page Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" media="screen" href="main.css" />
    <script src="main.js"></script>
</head>


<body>

<?php
echo "这是第". __LINE__ .'行。';
echo "<br>";
echo "该文件位于". __FILE__;
echo "<br>";
echo "该文件位于目录". __DIR__;
echo "<br>";
echo "函数名为". __FUNCTION__;
echo "<br>";
echo "类名为". __CLASS__;
echo "<br>";

?>

</body>
</html>
